public enum BatchFetchType extends java.lang.Enum<BatchFetchType>
BatchFetch,
ForeignReferenceMapping#setBatchFetch(BatchFetchType)| Enum Constant and Description |
|---|
EXISTS
This uses an SQL EXISTS and a sub-select in the batch query instead of a join.
|
IN
This uses an SQL IN clause in the batch query passing in the source object Ids.
|
JOIN
This is the default form of batch reading.
|
| Modifier and Type | Method and Description |
|---|---|
static BatchFetchType |
valueOf(java.lang.String name)
Returns the enum constant of this type with the specified name.
|
static BatchFetchType[] |
values()
Returns an array containing the constants of this enum type, in
the order they are declared.
|
public static final BatchFetchType JOIN
public static final BatchFetchType EXISTS
public static final BatchFetchType IN
public static BatchFetchType[] values()
for (BatchFetchType c : BatchFetchType.values()) System.out.println(c);
public static BatchFetchType valueOf(java.lang.String name)
name - the name of the enum constant to be returned.java.lang.IllegalArgumentException - if this enum type has no constant
with the specified namejava.lang.NullPointerException - if the argument is null